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How are living things organized? Diversity and Classification CLASSIFICATION Taxonomy Binomial Nomenclature • System of how organisms are named by using two titles • Universal system • Sometimes in different languages • First word: Genus • Second word: species • Prevents confusion when talking about different organisms • How To Remember This: Keep = Kingdom • Pond = Phylum • Clean = Class • Or = Order • Froggy = Family • Gets = Genus • Sick = species Phylogeny • The study of the evolutionary history of an organism(s) Molecular Clocks • a technique that uses the amino acid sequence of an organism to determine the time frame • https://www.youtube.com/watch?v=14SPIgvNYvE Domain Classifications • Bacteria • Archaea • Eukarya Domain Bacteria • Kingdom Eubacteria • Unicellular and prokaryotic with peptidoglycan Domain Classifications • Bacteria • Archaea • Eukarya Domain Archaea • Single celled prokaryotes • These cells do not contain peptidoglycan Domain Classifications • Bacteria • Archaea • Eukarya Domain Eukarya • includes the kingdoms Protista, Fungi, Plantae, and Animalia Protists vs. Fungi Protists • Both multi-cellular and unicellular • Can be animal-like, plant-like, or fungi-like • All protists are eukaryotes (DNA is found in a nucleus) • https://www.youtube.com/watch?v=lLHpj7h5Fnc&ind ex=6&list=PLH_k9U2J8_hyXrEky9_Kv0FS74coWq7 _9 Protists vs. Fungi Fungi • Includes unicellular organisms (like yeasts and molds) and multicellular organisms (such as mushrooms) • https://www.youtube.com/watch?v=H15Po5vHiDs&li st=PLH_k9U2J8_hyXrEky9_Kv0FS74coWq7_9&ind ex=5 protists
